dom/canvas/test/webgl-conf/checkout/conformance/glsl/functions/glsl-function-mod-float.html

   1 <!--
   2 Copyright (c) 2019 The Khronos Group Inc.
   3 Use of this source code is governed by an MIT-style license that can be
   4 found in the LICENSE.txt file.
   5 -->
   6
   7 <!DOCTYPE html>
   8 <html>
   9 <head>
  10 <meta charset="utf-8">
  11 <title>GLSL mod-float function test</title>
  12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
  13 <link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
  14 <script src="../../../js/js-test-pre.js"></script>
  15 <script src="../../../js/webgl-test-utils.js"> </script>
  16 <script src="../../../js/glsl-generator.js"> </script>
  17 </head>
  18 <body>
  19 <div id="description"></div>
  20 <div id="console"></div>
  21 <script>
  22 "use strict";
  23 GLSLGenerator.runFeatureTest({
  24   feature: "mod",
  25   args: "$(type) value, float divisor",
  26   baseArgs: "value$(field), divisor",
  27   testFunc: "$(func)($(arg0), float)",
  28   fragmentTolerance: 1,
  29   emuFunc: ["float $(func)_base(float value, float divisor) {",
  30             "  return value - divisor * floor(value / divisor);",
  31             "}"].join("\n"),
  32   gridRes: 8,
  33   tests: [
  34     ["$(output) = vec4(",
  35      "    $(func)($(input).x * 6.0 - 3.0, 1.5) / 1.5,",
  36      "    $(func)($(input).y * 6.0 - 3.0, 1.5) / 1.5,",
  37      "    0,",
  38      "    1);"].join("\n"),
  39     ["$(output) = vec4(",
  40      "    $(func)($(input).xy * 6.0 - vec2(3, 3), 1.5) / 1.5,",
  41      "    0, 1);"].join("\n"),
  42     ["$(output) = vec4(",
  43      "    $(func)($(input).xyz * 6.0 - vec3(3, 3, 3), 1.5) / 1.5,",
  44      "    1);"].join("\n"),
  45     ["$(output) = ",
  46      "    $(func)($(input) * 6.0 - vec4(3, 3, 3, 3), 1.5) / 1.5;"].join("\n")
  47   ]
  48 });
  49 var successfullyParsed = true;
  50 </script>
  51 </body>
  52 </html>
  53